Washington (CNN) - A seven-term Wisconsin congressman who 54% of the American people were not aware of last week just knocked the president of the United States off of his perch as the most talked-about politician on the largest social media platform in the world.

According to the exclusive Facebook-CNN Election Talk Meter, Republican Rep. Paul Ryan, in the 54 hours since being announced as Mitt Romney's vice presidential running mate, sucked up the political oxygen in the social media landscape - with the Beltway topping the buzz and his home state of Wisconsin close behind.

(CNNMoney) - Eduardo Saverin's decision to leave the United States with his money, but not his citizenship, has apparently touched a nerve in the Senate.

Two members of the world's greatest deliberative body, Chuck Schumer and Bob Casey, held a press conference Thursday morning on Capitol Hill where they outlined legislation that would prevent the Facebook co-founder from ever returning to the United States.

Scottsdale, Arizona (CNN) – Tapping into the online social networks of voters is a top priority for the digital strategists working for President Barack Obama and Mitt Romney - and no site offers a larger trove of personal data than Facebook.

Now the Republican National Committee is getting into the social media game.FULL POST

Dothan, Alabama (CNN) - Newt Gingrich may occasionally refer to a Twitter hash tag as a hash mark but he is relying on the Internet to reach out to voters, one tweet and Facebook friend at a time.

The Republican presidential candidate doesn't have as much money to spend on television advertising as his counterparts, but Gingrich is devoting considerable resources to maximize his online presence.

(CNN) - In 2012, a strong Web presence must be part of every political hopeful's strategy.

On the eve of Tuesday's Iowa caucuses, the first official contest of this year's presidential campaign, we take a look at how the seven Republican hopefuls are presenting themselves in the digital world of social media.

(CNN) - It's the perennial conundrum for candidates trying to access a far-flung electorate: How do you quickly spread your message to voters across the country?

For almost all candidates, social media have become some part of the campaign. Recognizing their new role in the political process, Facebook is offering candidates some tips for utilizing their website.FULL POST

(CNN) - Facebook filed paperwork Monday to form a political action committee called "FB PAC," CNN has learned.

"FB PAC will give our employees a way to make their voice heard in the political process by supporting candidates who share our goals of promoting the value of innovation to our economy while giving people the power to share and make the world more open and connected," said Andrew Noyes, manager of public policy communications at Facebook.FULL POST

(CNN) - As members of Congress navigate the shifting political sands of the debt-ceiling crisis, many of them are turning to a digital platform more associated with sharing personal updates and funny videos about cats: Facebook.

In recent days, lawmakers have swarmed the popular social network to post videos outlining their positions, conduct opinion polls, reach new constituents and ask for feedback.